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  • Writer's pictureDi Pu (Taichi Kabata)

Colloid Thermophoresis in the Dilute Electrolyte Concentration Regime: From Theory to Experiment


In this article, we study the temperature and size dependencies of colloid thermophoresis using a thermofluidic platform with femto-Newton sensitivity. In particular, the silica particles exhibit thermophilic behaviours over the experimental temperature range and the corresponding thermophoretic velocity increases in magnitude with increasing particle size. Throughout the paper, we show with experiments and theoretical calculations how the interplay between the chemical potential of water and binding energy influences the thermophoretic behaviour of silica spheres at the molecular level.


Publications: Pu D, Panahi A, Natale G, Benneker A. Colloid Thermophoresis in the Dilute Electrolyte Concentration Regime: From Theory to Experiment. Soft Matter. 2023. https://doi.org/10.1039/D2SM01668K











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